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-rw-r--r--hw/i386/pc.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 3ab4bcb3ca..6b4f32edfe 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1244,17 +1244,21 @@ static void load_linux(PCMachineState *pcms,
/* load initrd */
if (initrd_filename) {
+ GMappedFile *mapped_file;
gsize initrd_size;
gchar *initrd_data;
GError *gerr = NULL;
- if (!g_file_get_contents(initrd_filename, &initrd_data,
- &initrd_size, &gerr)) {
+ mapped_file = g_mapped_file_new(initrd_filename, false, &gerr);
+ if (!mapped_file) {
fprintf(stderr, "qemu: error reading initrd %s: %s\n",
initrd_filename, gerr->message);
exit(1);
}
+ pcms->initrd_mapped_file = mapped_file;
+ initrd_data = g_mapped_file_get_contents(mapped_file);
+ initrd_size = g_mapped_file_get_length(mapped_file);
initrd_max = pcms->below_4g_mem_size - pcmc->acpi_data_size - 1;
if (initrd_size >= initrd_max) {
fprintf(stderr, "qemu: initrd is too large, cannot support."
@@ -1381,6 +1385,7 @@ static void load_linux(PCMachineState *pcms,
/* load initrd */
if (initrd_filename) {
+ GMappedFile *mapped_file;
gsize initrd_size;
gchar *initrd_data;
GError *gerr = NULL;
@@ -1390,12 +1395,16 @@ static void load_linux(PCMachineState *pcms,
exit(1);
}
- if (!g_file_get_contents(initrd_filename, &initrd_data,
- &initrd_size, &gerr)) {
+ mapped_file = g_mapped_file_new(initrd_filename, false, &gerr);
+ if (!mapped_file) {
fprintf(stderr, "qemu: error reading initrd %s: %s\n",
initrd_filename, gerr->message);
exit(1);
}
+ pcms->initrd_mapped_file = mapped_file;
+
+ initrd_data = g_mapped_file_get_contents(mapped_file);
+ initrd_size = g_mapped_file_get_length(mapped_file);
if (initrd_size >= initrd_max) {
fprintf(stderr, "qemu: initrd is too large, cannot support."
"(max: %"PRIu32", need %"PRId64")\n",